Biological warfare and Biological operation

Biological warfare noun - The use of bacteria or viruses or toxins to destroy men and animals or food.

Biological operation and biological warfare are semantically related. in germ warfare topic. In some cases you can use "Biological operation" instead a noun phrase "Biological warfare".

Biological warfare and biological operation are semantically related. Sometimes you can replace phrase "Biological warfare" with "Biological operation", this phrases are similar.